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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Restore reliable valve-train operation and consistent camshaft performance with this OE Match HP Lifter Set, reference GDP356/912LIFTER. Supplied as a set of 8 lifters, these components are designed for compatible engine applications and are intended to work with all stock-profile camshafts, making them suitable for standard-specification engine rebuilds, restorations, and maintenance.
Fits:
Porsche 356 / 912
Lifters, also known as cam followers or tappets, form a critical interface between the camshaft and the engine's valve train. As the camshaft rotates, each cam lobe acts on a lifter, transferring movement through the associated valve-train components to open and close the intake and exhaust valves at the correct points in the engine cycle.
What This Product Does:
- Includes 8 lifters for a complete compatible engine application.
- Works with compatible stock-profile camshafts.
- Follows the rotating camshaft lobes.
- Transfers camshaft movement through the valve train.
- Helps control correct intake and exhaust valve operation.
- Supports accurate valve timing and valve lift.
- Provides a consistent contact surface between the camshaft and valve train.
- Helps maintain smooth and dependable engine operation.
- Replaces worn, pitted, scored, or damaged lifters.
- Provides an OE Match solution for compatible engine rebuilds and restorations.
Symptoms Of Wear Or Failure:
- Ticking, tapping, or clicking noises from the valve train.
- Increased mechanical noise as engine speed rises.
- Difficulty maintaining correct valve clearances.
- Reduced engine performance.
- Rough or inconsistent engine operation.
- Reduced valve lift caused by component wear.
- Pitting or scoring on the lifter contact surfaces.
- Concave or unevenly worn lifter faces.
- Visible camshaft lobe wear.
- Metallic particles in the engine oil.
- Abnormal wear discovered during valve-train inspection.
- Damaged or excessively worn lifters found during an engine rebuild.
Why Replacement Matters:
- Lifters operate directly against the camshaft and are critical to correct valve-train operation. A worn lifter surface can prevent the component from following the camshaft profile correctly, potentially affecting valve lift, valve timing, combustion efficiency, and overall engine performance.
- Lifter and camshaft wear are also closely related. A damaged or incorrectly matched lifter can accelerate wear of the corresponding camshaft lobe. Once this wear begins, metallic debris may circulate through the engine oil and contribute to damage elsewhere within the engine.
- Replacing worn lifters is particularly important during an engine rebuild or when installing an appropriate camshaft. Correct compatibility between the camshaft profile and lifters helps establish the correct contact pattern and promotes reliable long-term operation.
- Replacing worn or damaged components with this OE Match HP Lifter Set GDP356/912LIFTER – 8 Pieces helps restore consistent valve-train movement, correct camshaft operation, and dependable engine performance when installed with a compatible stock-profile camshaft.
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
OE Match hydraulic exhaust valve tappet
Fits:
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
Check fitment for your specific vehicle (model, year, engine) before ordering.
What This Product Does
The tappet transfers motion from the camshaft to the valve mechanism. Its hydraulic operation depends on the engine's lubrication system, making oil condition and the associated contact surfaces relevant when investigating wear or noise.
Functions
- Transfers camshaft movement to the valve mechanism.
- Supports valve opening in the specified engine application.
Symptoms of Fault
- Persistent ticking or tapping from the valve mechanism.
- Valve-mechanism noise becoming more pronounced as engine speed rises.
- Uneven contact wear found during inspection.
- Rough running or misfires where valve movement is affected.
Why Replacement Matters
A worn tappet can affect valve movement and contribute to abnormal contact with neighbouring components. Establish the cause before replacement, checking lubrication and camshaft condition rather than assuming every ticking noise originates from a tappet.
FAQs
Can oil condition affect hydraulic tappets?
Contaminated oil can cause hydraulic elements to stick. Include lubrication checks in the diagnosis.
Should the camshaft also be checked?
Inspect the cam lobes and tappet contact surfaces together, as wear may affect both components.
Support & Advice
The requested source could not be retrieved. Matching search descriptions were found, but they did not establish the linked product's exact brand or version; this copy therefore uses the supplied product information.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610504172
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
Fits:
Porsche 987 MKI Boxster 2005-08
Porsche 987C MKI Cayman 2006-08
Porsche 996 Carrera 1998-05
Porsche 996 Turbo 2001-05
Porsche 997 MKI Carrera 2005-08
Porsche 955 Cayenne S / Turbo 4.5L 2003-06
Click 'Zoom in' for large parts diagram.
Diagram Ref No 5.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610504172
The product you are viewing cross references to these numbers
This kit is comprised of the following items: